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Removal of Polychlorinated Phenols in Sequential Anaerobic–Aerobic Biofilm Reactors Packed with Tire Chips
Scrap vehicle tire chips were used as packing material for sequential anaerobic–aerobic biofilm reactors to remove persistent chlorinated hydrocarbons. Adsorption capacity of scrap tires was greater under acidic conditions than under basic conditions. However, it was only approximately 0.04 to 0.3% of that of activated carbon. The amount of biomass that attached to the surface of scrap tires was 3.16 and 3.72 mg volatile suspended solids/cm2 after 14 and 37 days, respectively. Two laboratory‐scale, down‐flow anaerobic–aerobic biofilm reactors packed with tire chips were operated to remove 2,4‐dichlorophenol (DCP) and 4‐chlorophenol (CP). More than 98% of DCP was dehalogenated to CP in the anaerobic reactor, 70 to 98% of which was subsequently degraded in the aerobic reactor. Scrap tires did not cause any operational problems when used as biofilter media.
Removal of Polychlorinated Phenols in Sequential Anaerobic–Aerobic Biofilm Reactors Packed with Tire Chips
Scrap vehicle tire chips were used as packing material for sequential anaerobic–aerobic biofilm reactors to remove persistent chlorinated hydrocarbons. Adsorption capacity of scrap tires was greater under acidic conditions than under basic conditions. However, it was only approximately 0.04 to 0.3% of that of activated carbon. The amount of biomass that attached to the surface of scrap tires was 3.16 and 3.72 mg volatile suspended solids/cm2 after 14 and 37 days, respectively. Two laboratory‐scale, down‐flow anaerobic–aerobic biofilm reactors packed with tire chips were operated to remove 2,4‐dichlorophenol (DCP) and 4‐chlorophenol (CP). More than 98% of DCP was dehalogenated to CP in the anaerobic reactor, 70 to 98% of which was subsequently degraded in the aerobic reactor. Scrap tires did not cause any operational problems when used as biofilter media.
Removal of Polychlorinated Phenols in Sequential Anaerobic–Aerobic Biofilm Reactors Packed with Tire Chips
Shin, Hang‐Sik (author) / Yoo, Kyu‐Seon (author) / Park, Jae K. (author)
Water Environment Research ; 71 ; 363-367
1999-05-01
5 pages
Article (Journal)
Electronic Resource
English
Treatment of polychlorinated phenol in sequential biofilm reactors packed with wasted tires
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